211460

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 452760

約数和(自身を除く): 241300

約数列:

[1, 2, 4, 5, 10, 20, 97, 109, 194, 218, 388, 436, 485, 545, 970, 1090, 1940, 2180, 10573, 21146, 42292, 52865, 105730, 211460]

約数ペア:

[(1, 211460), (2, 105730), (4, 52865), (5, 42292), (10, 21146), (20, 10573), (97, 2180), (109, 1940), (194, 1090), (218, 970), (388, 545), (436, 485)]